Assignment 3
ICT 4800 Network Comm and the Internet
Instructor: Prof. Steven Starliper
Submitted by
Medha Banda
872987212
June 24, 2015
IPV6?
The IP addresses are used by the internet to identify all the devices that are connected to it. Each machine has a unique address to be identified. Present technology is IPv4 and that is a 32 bit IP addressing that allows 4.3 billion devices. But the technology is advanced and devices increased, so the industry is moving to IPv6 that has a space of 3.4*10^38 devices.
The enterprises that are trying to shift their gear to IPv6 from IPv4 can face the technical issues like The major problem is the dual stacking which means as the enterprise will have a transition time during the change
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Many enterprises cannot use the IPv6 Secure Neighbor Discovery (SeND) as the ASRs of Cisco and Microsoft Windows 7 don’t support it.
There are even some advantages for the enterprises by updating to this IPv6 and they are The address space is very large when compared to the IPv4 so that the enterprise can have the flexibility to assign unique addresses to the devices over the internet. The unique addresses can be temporary and can vary depending upon the context. Due to its huge capacity techniques like network address translation to desist the unavailability of the addresses. The internet service providers will have the chance to simplify the address assignment tasks and renumbering.
So when compared, the demerits are more that the merits of this IPv6. So if the enterprise thinks of changing from IPv4 to IPv6, they have to consider the security issues, mobility issues. During the transition phase, many organizations may not actually realize the threats and the vulnerabilities that are caused by the new technology. By the time they awake and take security measures, the loss might be already be